Home / 547,408.89-821,136.06-187,826.94

Finding the Fourth Proportional to 547,408.89, 821,136.06 and 187,826.94

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Solution

The fourth proportional to 547,408.89, 821,136.06 and 187,826.94 is: 281,748.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,408.89 : 821,136.06 = 187,826.94 : x
  2. Step 2: Convert to fraction form
    547,408.89/821,136.06 = 187,826.94/x
  3. Step 3: Cross multiply
    547,408.89x = 821,136.06 × 187,826.94
  4. Step 4: Simplify right side
    547,408.89x = 154,231,473,473.46
  5. Step 5: Solve for x
    x = 154,231,473,473.46/547,408.89
  6. Step 6: Final answer
    x = 281,748.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.